1 files changed, 0 insertions, 49 deletions
diff --git a/0002-Bluetooth-btusb-check-conditions-before-enabling-USB-ALT-3-for-WBS.patch b/0002-Bluetooth-btusb-check-conditions-before-enabling-USB-ALT-3-for-WBS.patch
deleted file mode 100644
index 7aa972f..0000000
--- a/0002-Bluetooth-btusb-check-conditions-before-enabling-USB-ALT-3-for-WBS.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
-index 6d23308119d1..5cec719f6cba 100644
---- a/drivers/bluetooth/btusb.c
-+++ b/drivers/bluetooth/btusb.c
-@@ -516,6 +516,7 @@  static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
- #define BTUSB_HW_RESET_ACTIVE	12
- #define BTUSB_TX_WAIT_VND_EVT	13
- #define BTUSB_WAKEUP_DISABLE	14
-+#define BTUSB_ALT3_OK_FOR_WBS	15
- 
- struct btusb_data {
- 	struct hci_dev       *hdev;
-@@ -1748,16 +1749,20 @@  static void btusb_work(struct work_struct *work)
- 			/* Bluetooth USB spec recommends alt 6 (63 bytes), but
- 			 * many adapters do not support it.  Alt 1 appears to
- 			 * work for all adapters that do not have alt 6, and
--			 * which work with WBS at all.
-+			 * which work with WBS at all.  Some devices prefer
-+			 * alt 3 (HCI payload >= 60 Bytes let air packet
-+			 * data satisfy 60 bytes), requiring
-+			 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72
-+			 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1.
- 			 */
--			new_alts = btusb_find_altsetting(data, 6) ? 6 : 1;
--			/* Because mSBC frames do not need to be aligned to the
--			 * SCO packet boundary. If support the Alt 3, use the
--			 * Alt 3 for HCI payload >= 60 Bytes let air packet
--			 * data satisfy 60 bytes.
--			 */
--			if (new_alts == 1 && btusb_find_altsetting(data, 3))
-+			if (btusb_find_altsetting(data, 6))
-+				new_alts = 6;
-+			else if (test_bit(BTUSB_ALT3_OK_FOR_WBS, &data->flags) &&
-+				 hdev->sco_mtu >= 72 &&
-+				 btusb_find_altsetting(data, 3))
- 				new_alts = 3;
-+			else
-+				new_alts = 1;
- 		}
- 
- 		if (btusb_switch_alt_setting(hdev, new_alts) < 0)
-@@ -4733,6 +4738,7 @@  static int btusb_probe(struct usb_interface *intf,
- 		 * (DEVICE_REMOTE_WAKEUP)
- 		 */
- 		set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
-+		set_bit(BTUSB_ALT3_OK_FOR_WBS, &data->flags);
- 	}
- 
- 	if (!reset)